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| Mirrors > Home > ILE Home > Th. List > ifcldadc | Unicode version | ||
| Description: Conditional closure. (Contributed by Jim Kingdon, 11-Jan-2022.) |
| Ref | Expression |
|---|---|
| ifcldadc.1 |
|
| ifcldadc.2 |
|
| ifcldadc.dc |
|
| Ref | Expression |
|---|---|
| ifcldadc |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iftrue 3645 |
. . . 4
| |
| 2 | 1 | adantl 277 |
. . 3
|
| 3 | ifcldadc.1 |
. . 3
| |
| 4 | 2, 3 | eqeltrd 2315 |
. 2
|
| 5 | iffalse 3648 |
. . . 4
| |
| 6 | 5 | adantl 277 |
. . 3
|
| 7 | ifcldadc.2 |
. . 3
| |
| 8 | 6, 7 | eqeltrd 2315 |
. 2
|
| 9 | ifcldadc.dc |
. . 3
| |
| 10 | exmiddc 848 |
. . 3
| |
| 11 | 9, 10 | syl 14 |
. 2
|
| 12 | 4, 8, 11 | mpjaodan 810 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-11 1559 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-dc 847 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-if 3639 |
| This theorem is used by: updjudhf 7425 omp1eomlem 7440 difinfsnlem 7445 ctmlemr 7454 ctssdclemn0 7456 ctssdc 7459 enumctlemm 7460 xaddf 10262 xaddval 10263 iseqf1olemqcl 10956 iseqf1olemnab 10958 iseqf1olemjpcl 10965 iseqf1olemqpcl 10966 seq3f1oleml 10973 seq3f1o 10974 exp3val 10998 ccatcl 11382 swrdclg 11443 xrmaxiflemcl 12035 summodclem2a 12172 zsumdc 12175 fsum3 12178 isumss 12182 fsum3cvg2 12185 fsum3ser 12188 fsumcl2lem 12189 fsumadd 12197 sumsnf 12200 sumsplitdc 12223 fsummulc2 12239 isumlessdc 12287 cvgratz 12323 prodmodclem3 12366 prodmodclem2a 12367 zproddc 12370 fprodseq 12374 fprodmul 12382 prodsnf 12383 eucalgval2 12855 lcmval 12865 pcmpt 13150 ballotfilemsv 13310 ballotfilemsdom 13312 ennnfonelemg 13351 mulgval 13983 mulgfng 13985 elplyd 15984 dvply1 16008 bposlem5 16332 lgsval 16345 lgsfvalg 16346 lgsfcl2 16347 lgscllem 16348 lgsval2lem 16351 lgsdir 16376 lgsdilem2 16377 lgsdi 16378 lgsne0 16379 subctctexmid 17252 |
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